420151622 has 16 divisors (see below), whose sum is σ = 688089600. Its totient is φ = 190820040.

The previous prime is 420151621. The next prime is 420151663. The reversal of 420151622 is 226151024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420151621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21779 + ... + 36257.

It is an arithmetic number, because the mean of its divisors is an integer number (43005600).

Almost surely, 2^420151622 is an apocalyptic number.

420151622 is a deficient number, since it is larger than the sum of its proper divisors (267937978).

420151622 is a wasteful number, since it uses less digits than its factorization.

420151622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15811.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 420151622 is about 20497.6003961439. The cubic root of 420151622 is about 748.9773451662.

The spelling of 420151622 in words is "four hundred twenty million, one hundred fifty-one thousand, six hundred twenty-two".